APA (7th ed.) Citation

Lefebvre, M., & Artal, C. (2013). Guerra gráfica. Lunwerg.

Chicago Style (17th ed.) Citation

Lefebvre, Michel, and Carmen Artal. Guerra Gráfica. [Barcelona]: Lunwerg, 2013.

MLA (9th ed.) Citation

Lefebvre, Michel, and Carmen Artal. Guerra Gráfica. Lunwerg, 2013.

Warning: These citations may not always be 100% accurate.